Patent US2513993A successfully refreshed from Google Patents.
US2513993A
Expired / Lapsed
US
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Panel heating
Assignee: ThyssenKrupp Budd Co
•
Filing: 1946-07-13
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Granted: 1950-07-04
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Expires: 1966-07-13
Abstract
No abstract record available.
Inventors
- 👤 John E Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:57
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/67; E06B3/6715; B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; B32B17/10045; B32B17/10055; B32B17/10165; B32B17/10174; H; H05; H05B; H05B1/00; H05B1/02; H05B1/0227; H05B1/023; H05B1/0236; H05B3/00; H05B3/84; H05B2203/00; H05B2203/035; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US863211A
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US2165970A
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US2021661A
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US2119680A
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US2006006A
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US2441831A
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US2429420A
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US2382340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |